2004130665 has 24 divisors (see below), whose sum is σ = 3475110600. Its totient is φ = 1068474624.

The previous prime is 2004130657. The next prime is 2004130669. The reversal of 2004130665 is 5660314002.

It can be written as a sum of positive squares in 4 ways, for example, as 694269801 + 1309860864 = 26349^2 + 36192^2 .

It is not a de Polignac number, because 2004130665 - 2³ = 2004130657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2004130669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147061 + ... + 160109.

It is an arithmetic number, because the mean of its divisors is an integer number (144796275).

Almost surely, 2^2004130665 is an apocalyptic number.

It is an amenable number.

2004130665 is a deficient number, since it is larger than the sum of its proper divisors (1470979935).

2004130665 is a wasteful number, since it uses less digits than its factorization.

2004130665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16473 (or 16470 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2004130665 is about 44767.5179678302. The cubic root of 2004130665 is about 1260.7878387300.

Adding to 2004130665 its reverse (5660314002), we get a palindrome (7664444667).

The spelling of 2004130665 in words is "two billion, four million, one hundred thirty thousand, six hundred sixty-five".